Filter cap



FIG. 1 is a top perspective view of a first embodiment of a filter cap showing my new design.

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a left side elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a front elevational view thereof.

FIG. 6 is a rear elevational view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is a top perspective view of a second embodiment of a filter cap showing my new design.

FIG. 10 is a bottom perspective view thereof

FIG. 11 is a left side elevational view thereof.

FIG. 12 is a right side elevational view thereof.

FIG. 13 is a front elevational view thereof.

FIG. 14 is a rear side elevational view thereof.

FIG. 15 is a top plan view thereof; and,

FIG. 16 is a bottom plan view thereof.

The broken lines showing the filtration holes are unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a filter cap, as shown and described. 